Obito Uchiha did not want to "resurrect" Madara Uchiha, at least not yet.
Black Zetsu had seen that long ago.
But honestly, Madara had never truly trusted Obito either.
So Obito's actions could hardly be called betrayal.
Besides, considering his own objectives, Black Zetsu did not want Obito and Madara to grow too close.
Otherwise, when he had helped Obito before, Black Zetsu would have removed the Curse Mark from his heart.
Madara Uchiha had placed that Curse Mark long ago to keep Obito under threat.
Its purpose was to prevent Obito from betraying him.
Obito might not have known about the Curse Mark long ago, but now Black Zetsu was certain that Obito knew he had something inside him that could take his life.
But Obito did not seem particularly concerned.
Perhaps he was confident he could deal with the Curse Mark inside him.
With something like that in place, Obito and Madara could never trust each other.
And Obito had started doing things his own way long ago.
In the early stages of the Eye of the Moon Plan, Obito had still been able to advance the plan along the path Madara and Black Zetsu had laid out for him.
As time passed and the plan progressed, Obito began developing his own ideas.
Of course, Black Zetsu had also been encouraging this behind the scenes.
On the surface, Black Zetsu was following the will Madara had left behind, but in truth, he had always been following his own path.
One thing was certain, though: if Shihōin Naraku had not nearly killed Obito before, leaving him gravely injured,
Black Zetsu would never have had the opportunity to modify him.
Now, not only Obito's body but even his mind and will were being influenced by Black Zetsu.
And this influence